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which chemical reaction involves the production of a gas? 2li(s)+f_(2)(g)arrow 2lif(s) zn(s)+2hcl(aq)arrow h_(2)(g)+zncl_(2)(aq)

Question

Which chemical reaction involves the production of a gas? 2Li(s)+F_(2)(g)arrow 2LiF(s) Zn(s)+2HCl(aq)arrow H_(2)(g)+ZnCl_(2)(aq) HNO_(3)(l)+H_(2)O(l)arrow H_(3)O^+(aq)+NO_(3)^-(aq) K_(2)CrO_(4)(aq)+Ba(NO_(3))_(2)(aq)arrow BaCrO_(4)(s)+2KNO_(3)(aq)

Answer

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Answer

### The reaction is: \( \mathrm{Zn}(\mathrm{s})+2 \mathrm{HCl}(\mathrm{aq}) \rightarrow \mathrm{H}_{2}(\mathrm{~g})+\mathrm{ZnCl}_{2}(\mathrm{aq}) \)

Explanation

## Step1: Identify the products of each reaction### Examine the products formed in each given chemical reaction.## Step2: Check for gaseous products### Determine which product is in the gaseous state.## Step3: Select the reaction with a gaseous product### Identify the reaction producing a gas and verify its gaseous state.#